/**
* Sends one or more iTip messages through email.
*
* @param string $originator
* @param array $recipients
* @param Sabre_VObject_Component $vObject
* @return void
*/
public function sendMessage($originator, array $recipients, Sabre_VObject_Component $vObject)
{
foreach ($recipients as $recipient) {
$to = $recipient;
$replyTo = $originator;
$subject = 'SabreDAV iTIP message';
switch (strtoupper($vObject->METHOD)) {
case 'REPLY':
$subject = 'Response for: ' . $vObject->VEVENT->SUMMARY;
break;
case 'REQUEST':
$subject = 'Invitation for: ' . $vObject->VEVENT->SUMMARY;
break;
case 'CANCEL':
$subject = 'Cancelled event: ' . $vObject->VEVENT->SUMMARY;
break;
}
$headers = array();
$headers[] = 'Reply-To: ' . $replyTo;
$headers[] = 'From: ' . $this->senderEmail;
$headers[] = 'Content-Type: text/calendar; method=' . (string) $vObject->method . '; charset=utf-8';
$headers[] = 'X-Sabre-Version: ' . Sabre_DAV_Version::VERSION . '-' . Sabre_DAV_Version::STABILITY;
$vcalBody = $vObject->serialize();
$this->mail($to, $subject, $vcalBody, $headers);
}
}
function testStuff()
{
$vcard = new Sabre_VObject_Component('VCARD');
$vcard->VERSION = '3.0';
$vcard->UID = 'foo-bar';
$vcard->PHOTO = base64_encode('random_stuff');
$vcard->PHOTO->add('BASE64', null);
$result = $vcard->serialize();
$expected = array("BEGIN:VCARD", "VERSION:3.0", "PHOTO;BASE64:" . base64_encode('random_stuff'), "UID:foo-bar", "END:VCARD", "");
$this->assertEquals(implode("\r\n", $expected), $result);
}
/**
* Reads and parses a single line.
*
* This method receives the full array of lines. The array pointer is used
* to traverse.
*
* @param array $lines
* @return Sabre_VObject_Element
*/
private static function readLine(&$lines)
{
$line = current($lines);
$lineNr = key($lines);
next($lines);
// Components
if (stripos($line, "BEGIN:") === 0) {
// This is a component
$obj = new Sabre_VObject_Component(strtoupper(substr($line, 6)));
$nextLine = current($lines);
while (stripos($nextLine, "END:") !== 0) {
$obj->add(self::readLine($lines));
$nextLine = current($lines);
if ($nextLine === false) {
throw new Sabre_VObject_ParseException('Invalid VObject. Document ended prematurely.');
}
}
// Checking component name of the 'END:' line.
if (substr($nextLine, 4) !== $obj->name) {
throw new Sabre_VObject_ParseException('Invalid VObject, expected: "END:' . $obj->name . '" got: "' . $nextLine . '"');
}
next($lines);
return $obj;
}
// Properties
//$result = preg_match('/(?P<name>[A-Z0-9-]+)(?:;(?P<parameters>^(?<!:):))(.*)$/',$line,$matches);
$token = '[A-Z0-9-\\.]+';
$parameters = "(?:;(?P<parameters>([^:^\"]|\"([^\"]*)\")*))?";
$regex = "/^(?P<name>{$token}){$parameters}:(?P<value>.*)\$/i";
$result = preg_match($regex, $line, $matches);
if (!$result) {
throw new Sabre_VObject_ParseException('Invalid VObject, line ' . ($lineNr + 1) . ' did not follow the icalendar/vcard format');
}
$propertyName = strtoupper($matches['name']);
if (strpos($propertyName, '.') !== false) {
list(, $mapName) = explode('.', $propertyName);
} else {
$mapName = $propertyName;
}
if (isset(self::$elementMap[$mapName])) {
$className = self::$elementMap[$mapName];
} else {
$className = 'Sabre_VObject_Property';
}
$propertyValue = $className::stripSlashes($matches['value']);
$obj = new $className($propertyName, $propertyValue);
if ($matches['parameters']) {
foreach (self::readParameters($matches['parameters']) as $param) {
$obj->add($param);
}
}
return $obj;
}
/**
* Different bug, also likely an infinite loop.
*/
function testYearlyByMonthLoop()
{
$ev = Sabre_VObject_Component::create('VEVENT');
$ev->UID = 'uuid';
$ev->DTSTART = '20120101T154500';
$ev->DTSTART['TZID'] = 'Europe/Berlin';
$ev->RRULE = 'FREQ=YEARLY;INTERVAL=1;UNTIL=20120203T225959Z;BYMONTH=2;BYSETPOS=1;BYDAY=SU,MO,TU,WE,TH,FR,SA';
$ev->DTEND = '20120101T164500';
$ev->DTEND['TZID'] = 'Europe/Berlin';
// This recurrence rule by itself is a yearly rule that should happen
// every february.
//
// The BYDAY part expands this to every day of the month, but the
// BYSETPOS limits this to only the 1st day of the month. Very crazy
// way to specify this, and could have certainly been a lot easier.
$cal = Sabre_VObject_Component::create('VCALENDAR');
$cal->add($ev);
$it = new Sabre_VObject_RecurrenceIterator($cal, 'uuid');
$it->fastForward(new DateTime('2012-01-29 23:00:00', new DateTimeZone('UTC')));
$collect = array();
while ($it->valid()) {
$collect[] = $it->getDTSTART();
if ($it->getDTSTART() > new DateTime('2013-02-05 22:59:59', new DateTimeZone('UTC'))) {
break;
}
$it->next();
}
$this->assertEquals(array(new DateTime('2012-02-01 15:45:00', new DateTimeZone('Europe/Berlin'))), $collect);
}
function testAlarmWayBefore()
{
$vevent = Sabre_VObject_Component::create('VEVENT');
$vevent->DTSTART = '20120101T120000Z';
$vevent->UID = 'bla';
$valarm = Sabre_VObject_Component::create('VALARM');
$valarm->TRIGGER = '-P2W1D';
$vevent->add($valarm);
$vcalendar = Sabre_VObject_Component::create('VCALENDAR');
$vcalendar->add($vevent);
$filter = array('name' => 'VCALENDAR', 'is-not-defined' => false, 'time-range' => null, 'prop-filters' => array(), 'comp-filters' => array(array('name' => 'VEVENT', 'is-not-defined' => false, 'time-range' => null, 'prop-filters' => array(), 'comp-filters' => array(array('name' => 'VALARM', 'is-not-defined' => false, 'prop-filters' => array(), 'comp-filters' => array(), 'time-range' => array('start' => new DateTime('2011-12-10'), 'end' => new DateTime('2011-12-20')))))));
$validator = new Sabre_CalDAV_CalendarQueryValidator();
$this->assertTrue($validator->validate($vcalendar, $filter));
}
/**
* Reads and parses a single line.
*
* This method receives the full array of lines. The array pointer is used
* to traverse.
*
* @param array $lines
* @return Sabre_VObject_Element
*/
private static function readLine(&$lines)
{
$line = current($lines);
$lineNr = key($lines);
next($lines);
// Components
if (stripos($line, "BEGIN:") === 0) {
$componentName = strtoupper(substr($line, 6));
$obj = Sabre_VObject_Component::create($componentName);
$nextLine = current($lines);
while (stripos($nextLine, "END:") !== 0) {
$obj->add(self::readLine($lines));
$nextLine = current($lines);
if ($nextLine === false) {
throw new Sabre_VObject_ParseException('Invalid VObject. Document ended prematurely.');
}
}
// Checking component name of the 'END:' line.
if (substr($nextLine, 4) !== $obj->name) {
throw new Sabre_VObject_ParseException('Invalid VObject, expected: "END:' . $obj->name . '" got: "' . $nextLine . '"');
}
next($lines);
return $obj;
}
// Properties
//$result = preg_match('/(?P<name>[A-Z0-9-]+)(?:;(?P<parameters>^(?<!:):))(.*)$/',$line,$matches);
$token = '[A-Z0-9-\\.]+';
$parameters = "(?:;(?P<parameters>([^:^\"]|\"([^\"]*)\")*))?";
$regex = "/^(?P<name>{$token}){$parameters}:(?P<value>.*)\$/i";
$result = preg_match($regex, $line, $matches);
if (!$result) {
throw new Sabre_VObject_ParseException('Invalid VObject, line ' . ($lineNr + 1) . ' did not follow the icalendar/vcard format');
}
$propertyName = strtoupper($matches['name']);
$propertyValue = preg_replace_callback('#(\\\\(\\\\|N|n|;|,))#', function ($matches) {
if ($matches[2] === 'n' || $matches[2] === 'N') {
return "\n";
} else {
return $matches[2];
}
}, $matches['value']);
$obj = Sabre_VObject_Property::create($propertyName, $propertyValue);
if ($matches['parameters']) {
foreach (self::readParameters($matches['parameters']) as $param) {
$obj->add($param);
}
}
return $obj;
}
/**
* Merges all calendar objects, and builds one big ics export
*
* @param array $nodes
* @return string
*/
public function generateICS(array $nodes)
{
$calendar = new Sabre_VObject_Component('vcalendar');
$calendar->version = '2.0';
if (Sabre_DAV_Server::$exposeVersion) {
$calendar->prodid = '-//SabreDAV//SabreDAV ' . Sabre_DAV_Version::VERSION . '//EN';
} else {
$calendar->prodid = '-//SabreDAV//SabreDAV//EN';
}
$calendar->calscale = 'GREGORIAN';
$collectedTimezones = array();
$timezones = array();
$objects = array();
foreach ($nodes as $node) {
if (!isset($node[200]['{' . Sabre_CalDAV_Plugin::NS_CALDAV . '}calendar-data'])) {
continue;
}
$nodeData = $node[200]['{' . Sabre_CalDAV_Plugin::NS_CALDAV . '}calendar-data'];
$nodeComp = Sabre_VObject_Reader::read($nodeData);
foreach ($nodeComp->children() as $child) {
switch ($child->name) {
case 'VEVENT':
case 'VTODO':
case 'VJOURNAL':
$objects[] = $child;
break;
// VTIMEZONE is special, because we need to filter out the duplicates
// VTIMEZONE is special, because we need to filter out the duplicates
case 'VTIMEZONE':
// Naively just checking tzid.
if (in_array((string) $child->TZID, $collectedTimezones)) {
continue;
}
$timezones[] = $child;
$collectedTimezones[] = $child->TZID;
break;
}
}
}
foreach ($timezones as $tz) {
$calendar->add($tz);
}
foreach ($objects as $obj) {
$calendar->add($obj);
}
return $calendar->serialize();
}
public function timeRangeTestData()
{
$tests = array();
$vjournal = Sabre_VObject_Component::create('VJOURNAL');
$vjournal->DTSTART = '20111223T120000Z';
$tests[] = array($vjournal, new DateTime('2011-01-01'), new DateTime('2012-01-01'), true);
$tests[] = array($vjournal, new DateTime('2011-01-01'), new DateTime('2011-11-01'), false);
$vjournal2 = Sabre_VObject_Component::create('VJOURNAL');
$vjournal2->DTSTART = '20111223';
$vjournal2->DTSTART['VALUE'] = 'DATE';
$tests[] = array($vjournal2, new DateTime('2011-01-01'), new DateTime('2012-01-01'), true);
$tests[] = array($vjournal2, new DateTime('2011-01-01'), new DateTime('2011-11-01'), false);
$vjournal3 = Sabre_VObject_Component::create('VJOURNAL');
$tests[] = array($vjournal3, new DateTime('2011-01-01'), new DateTime('2012-01-01'), false);
$tests[] = array($vjournal3, new DateTime('2011-01-01'), new DateTime('2011-11-01'), false);
return $tests;
}
public function timeRangeTestData()
{
$tests = array();
$vtodo = Sabre_VObject_Component::create('VTODO');
$vtodo->DTSTART = '20111223T120000Z';
$tests[] = array($vtodo, new DateTime('2011-01-01'), new DateTime('2012-01-01'), true);
$tests[] = array($vtodo, new DateTime('2011-01-01'), new DateTime('2011-11-01'), false);
$vtodo2 = clone $vtodo;
$vtodo2->DURATION = 'P1D';
$tests[] = array($vtodo2, new DateTime('2011-01-01'), new DateTime('2012-01-01'), true);
$tests[] = array($vtodo2, new DateTime('2011-01-01'), new DateTime('2011-11-01'), false);
$vtodo3 = clone $vtodo;
$vtodo3->DUE = '20111225';
$tests[] = array($vtodo3, new DateTime('2011-01-01'), new DateTime('2012-01-01'), true);
$tests[] = array($vtodo3, new DateTime('2011-01-01'), new DateTime('2011-11-01'), false);
$vtodo4 = Sabre_VObject_Component::create('VTODO');
$vtodo4->DUE = '20111225';
$tests[] = array($vtodo4, new DateTime('2011-01-01'), new DateTime('2012-01-01'), true);
$tests[] = array($vtodo4, new DateTime('2011-01-01'), new DateTime('2011-11-01'), false);
$vtodo5 = Sabre_VObject_Component::create('VTODO');
$vtodo5->COMPLETED = '20111225';
$tests[] = array($vtodo5, new DateTime('2011-01-01'), new DateTime('2012-01-01'), true);
$tests[] = array($vtodo5, new DateTime('2011-01-01'), new DateTime('2011-11-01'), false);
$vtodo6 = Sabre_VObject_Component::create('VTODO');
$vtodo6->CREATED = '20111225';
$tests[] = array($vtodo6, new DateTime('2011-01-01'), new DateTime('2012-01-01'), true);
$tests[] = array($vtodo6, new DateTime('2011-01-01'), new DateTime('2011-11-01'), false);
$vtodo7 = Sabre_VObject_Component::create('VTODO');
$vtodo7->CREATED = '20111225';
$vtodo7->COMPLETED = '20111226';
$tests[] = array($vtodo7, new DateTime('2011-01-01'), new DateTime('2012-01-01'), true);
$tests[] = array($vtodo7, new DateTime('2011-01-01'), new DateTime('2011-11-01'), false);
$vtodo7 = Sabre_VObject_Component::create('VTODO');
$tests[] = array($vtodo7, new DateTime('2011-01-01'), new DateTime('2012-01-01'), true);
$tests[] = array($vtodo7, new DateTime('2011-01-01'), new DateTime('2011-11-01'), true);
return $tests;
}
/**
* Creates the iterator
*
* You should pass a VCALENDAR component, as well as the UID of the event
* we're going to traverse.
*
* @param Sabre_VObject_Component $comp
*/
public function __construct(Sabre_VObject_Component $vcal, $uid = null)
{
if (is_null($uid)) {
if ($vcal->name === 'VCALENDAR') {
throw new InvalidArgumentException('If you pass a VCALENDAR object, you must pass a uid argument as well');
}
$components = array($vcal);
$uid = (string) $vcal->uid;
} else {
$components = $vcal->select('VEVENT');
}
foreach ($components as $component) {
if ((string) $component->uid == $uid) {
if (isset($component->{'RECURRENCE-ID'})) {
$this->overriddenEvents[$component->DTSTART->getDateTime()->getTimeStamp()] = $component;
$this->overriddenDates[] = $component->{'RECURRENCE-ID'}->getDateTime();
} else {
$this->baseEvent = $component;
}
}
}
if (!$this->baseEvent) {
throw new InvalidArgumentException('Could not find a base event with uid: ' . $uid);
}
$this->startDate = clone $this->baseEvent->DTSTART->getDateTime();
$this->endDate = null;
if (isset($this->baseEvent->DTEND)) {
$this->endDate = clone $this->baseEvent->DTEND->getDateTime();
} else {
$this->endDate = clone $this->startDate;
if (isset($this->baseEvent->DURATION)) {
$this->endDate->add(Sabre_VObject_DateTimeParser::parse($this->baseEvent->DURATION->value));
}
}
$this->currentDate = clone $this->startDate;
$rrule = (string) $this->baseEvent->RRULE;
$parts = explode(';', $rrule);
foreach ($parts as $part) {
list($key, $value) = explode('=', $part, 2);
switch (strtoupper($key)) {
case 'FREQ':
if (!in_array(strtolower($value), array('secondly', 'minutely', 'hourly', 'daily', 'weekly', 'monthly', 'yearly'))) {
throw new InvalidArgumentException('Unknown value for FREQ=' . strtoupper($value));
}
$this->frequency = strtolower($value);
break;
case 'UNTIL':
$this->until = Sabre_VObject_DateTimeParser::parse($value);
break;
case 'COUNT':
$this->count = (int) $value;
break;
case 'INTERVAL':
$this->interval = (int) $value;
break;
case 'BYSECOND':
$this->bySecond = explode(',', $value);
break;
case 'BYMINUTE':
$this->byMinute = explode(',', $value);
break;
case 'BYHOUR':
$this->byHour = explode(',', $value);
break;
case 'BYDAY':
$this->byDay = explode(',', strtoupper($value));
break;
case 'BYMONTHDAY':
$this->byMonthDay = explode(',', $value);
break;
case 'BYYEARDAY':
$this->byYearDay = explode(',', $value);
break;
case 'BYWEEKNO':
$this->byWeekNo = explode(',', $value);
break;
case 'BYMONTH':
$this->byMonth = explode(',', $value);
break;
case 'BYSETPOS':
$this->bySetPos = explode(',', $value);
break;
case 'WKST':
$this->weekStart = strtoupper($value);
break;
}
}
// Parsing exception dates
if (isset($this->baseEvent->EXDATE)) {
foreach ($this->baseEvent->EXDATE as $exDate) {
foreach (explode(',', (string) $exDate) as $exceptionDate) {
$this->exceptionDates[] = Sabre_VObject_DateTimeParser::parse($exceptionDate, $this->startDate->getTimeZone());
}
}
}
}
/**
* Parses the input data and returns a correct VFREEBUSY object, wrapped in
* a VCALENDAR.
*
* @return Sabre_VObject_Component
*/
public function getResult()
{
$busyTimes = array();
foreach ($this->objects as $object) {
foreach ($object->getBaseComponents() as $component) {
switch ($component->name) {
case 'VEVENT':
$FBTYPE = 'BUSY';
if (isset($component->TRANSP) && strtoupper($component->TRANSP) === 'TRANSPARENT') {
break;
}
if (isset($component->STATUS)) {
$status = strtoupper($component->STATUS);
if ($status === 'CANCELLED') {
break;
}
if ($status === 'TENTATIVE') {
$FBTYPE = 'BUSY-TENTATIVE';
}
}
$times = array();
if ($component->RRULE) {
$iterator = new Sabre_VObject_RecurrenceIterator($object, (string) $component->uid);
if ($this->start) {
$iterator->fastForward($this->start);
}
$maxRecurrences = 200;
while ($iterator->valid() && --$maxRecurrences) {
$startTime = $iterator->getDTStart();
if ($this->end && $startTime > $this->end) {
break;
}
$times[] = array($iterator->getDTStart(), $iterator->getDTEnd());
$iterator->next();
}
} else {
$startTime = $component->DTSTART->getDateTime();
if ($this->end && $startTime > $this->end) {
break;
}
$endTime = null;
if (isset($component->DTEND)) {
$endTime = $component->DTEND->getDateTime();
} elseif (isset($component->DURATION)) {
$duration = Sabre_VObject_DateTimeParser::parseDuration((string) $component->DURATION);
$endTime = clone $startTime;
$endTime->add($duration);
} elseif ($component->DTSTART->getDateType() === Sabre_VObject_Property_DateTime::DATE) {
$endTime = clone $startTime;
$endTime->modify('+1 day');
} else {
// The event had no duration (0 seconds)
break;
}
$times[] = array($startTime, $endTime);
}
foreach ($times as $time) {
if ($this->end && $time[0] > $this->end) {
break;
}
if ($this->start && $time[1] < $this->start) {
break;
}
$busyTimes[] = array($time[0], $time[1], $FBTYPE);
}
break;
case 'VFREEBUSY':
foreach ($component->FREEBUSY as $freebusy) {
$fbType = isset($freebusy['FBTYPE']) ? strtoupper($freebusy['FBTYPE']) : 'BUSY';
// Skipping intervals marked as 'free'
if ($fbType === 'FREE') {
continue;
}
$values = explode(',', $freebusy);
foreach ($values as $value) {
list($startTime, $endTime) = explode('/', $value);
$startTime = Sabre_VObject_DateTimeParser::parseDateTime($startTime);
if (substr($endTime, 0, 1) === 'P' || substr($endTime, 0, 2) === '-P') {
$duration = Sabre_VObject_DateTimeParser::parseDuration($endTime);
$endTime = clone $startTime;
$endTime->add($duration);
} else {
$endTime = Sabre_VObject_DateTimeParser::parseDateTime($endTime);
}
if ($this->start && $this->start > $endTime) {
continue;
}
if ($this->end && $this->end < $startTime) {
continue;
}
$busyTimes[] = array($startTime, $endTime, $fbType);
}
}
break;
}
}
}
if ($this->baseObject) {
$calendar = $this->baseObject;
} else {
$calendar = new Sabre_VObject_Component('VCALENDAR');
$calendar->version = '2.0';
$calendar->prodid = '-//SabreDAV//Sabre VObject ' . Sabre_VObject_Version::VERSION . '//EN';
$calendar->calscale = 'GREGORIAN';
}
$vfreebusy = new Sabre_VObject_Component('VFREEBUSY');
$calendar->add($vfreebusy);
if ($this->start) {
$dtstart = new Sabre_VObject_Property_DateTime('DTSTART');
$dtstart->setDateTime($this->start, Sabre_VObject_Property_DateTime::UTC);
$vfreebusy->add($dtstart);
}
if ($this->end) {
$dtend = new Sabre_VObject_Property_DateTime('DTEND');
$dtend->setDateTime($this->start, Sabre_VObject_Property_DateTime::UTC);
$vfreebusy->add($dtend);
}
$dtstamp = new Sabre_VObject_Property_DateTime('DTSTAMP');
$dtstamp->setDateTime(new DateTime('now'), Sabre_VObject_Property_DateTime::UTC);
$vfreebusy->add($dtstamp);
foreach ($busyTimes as $busyTime) {
$busyTime[0]->setTimeZone(new DateTimeZone('UTC'));
$busyTime[1]->setTimeZone(new DateTimeZone('UTC'));
$prop = new Sabre_VObject_Property('FREEBUSY', $busyTime[0]->format('Ymd\\THis\\Z') . '/' . $busyTime[1]->format('Ymd\\THis\\Z'));
$prop['FBTYPE'] = $busyTime[2];
$vfreebusy->add($prop);
}
return $calendar;
}
/**
* Returns a Sabre_Vobject_Component representing this object.
*
* @param subevents All events with the uid of this one. If not given, these will be fetched from the database.
*
* @return Sabre_VObject_Component representing $this.
*/
public function asVObject($subevents = null)
{
$vobject = new Sabre_VObject_Component('vevent');
if ($this->summary) {
$vobject->add('summary', $this->summary);
}
if ($this->description) {
$vobject->add('description', $this->description);
}
if ($this->comments) {
$vobject->add('comment', $this->comments);
}
if ($this->location) {
$vobject->add('location', $this->location);
}
if ($this->recurrenceId) {
$recurrenceId = new Datetime($this->recurrenceId);
$vobject->add('recurrence-id', $recurrenceId->format('Ymd\\THis\\Z'));
} else {
if ($this->rrule) {
$vobject->add('rrule', $this->rrule);
$exdates = array();
foreach ($this->getExcludedDates() as $d) {
$exdates[] = $d->format('Ymd\\THis\\Z');
}
if (!empty($exdates)) {
// The problem here ist that if we change a single occurrence of an recurring event in P6, we mark the
// occurrence as excluded in the original event. In caldav, the exclusion takes precedence over the
// extracted event, which means that events that have been changed will not show up in caldav clients.
// To go around this, we filter these dates out of the excluded dates.
if (is_null($subevents)) {
$subevents = $this->fetchByUid($this->uid);
}
$subeventDates = array();
foreach ($subevents as $e) {
if ($e->recurrenceId) {
$dt = new Datetime($e->recurrenceId);
$subeventDates[] = $dt->format('Ymd\\THis\\Z');
}
}
$exdates = array_diff($exdates, $subeventDates);
$vobject->add('exdate', implode(',', $exdates));
}
}
}
$start = new Datetime('@' . Phprojekt_Converter_Time::userToUtc($this->start));
$vobject->add('dtstart', $start->format('Ymd\\THis\\Z'));
$end = new Datetime('@' . Phprojekt_Converter_Time::userToUtc($this->end));
$vobject->add('dtend', $end->format('Ymd\\THis\\Z'));
$lastMod = new DateTime($this->lastModified);
$vobject->add('dtstamp', $lastMod->format('Ymd\\THis\\Z'));
$vobject->add('uid', $this->uid);
return $vobject;
}
/**
* As defined in Sabre_CalDAV_Backend_Abstract
*
* Retrieves a single Calendar object.
*
* @param string $calendarId The id of the calendar. Corresponds to the id of the user it belongs to.
* @param string $objectUri The uri of the calendarobject to retrieve.
*
* @return array As specified by SabreDAV.
*/
public function getCalendarObject($calendarId, $objectUri)
{
$db = Phprojekt::getInstance()->getDb();
$events = new Calendar2_Models_Calendar2();
$events = $events->fetchAll($db->quoteInto('uri = ?', $objectUri));
if (!is_array($events) || empty($events)) {
return array();
}
$calendarData = new Sabre_VObject_Component('vcalendar');
$calendarData->add('version', '2.0');
$calendarData->add('prodid', 'Phprojekt ' . Phprojekt::getVersion());
$lastModified = $events[0]->lastModified;
foreach ($events as $e) {
$calendarData->add($e->asVObject($events));
$lastModified = max($lastModified, $e->lastModified);
}
$lastModified = new Datetime($lastModified);
return array('id' => $events[0]->uid, 'uri' => $objectUri, 'lastmodified' => $lastModified->format('Ymd\\THis\\Z'), 'calendarid' => $calendarId, 'calendardata' => $calendarData->serialize());
}
public static function createVCalendarFromRequest($request)
{
$vcalendar = new Sabre_VObject_Component('VCALENDAR');
$vcalendar->add('PRODID', 'ownCloud Calendar');
$vcalendar->add('VERSION', '2.0');
$now = new DateTime();
$vevent = new Sabre_VObject_Component('VEVENT');
$vcalendar->add($vevent);
$created = new Sabre_VObject_Element_DateTime('CREATED');
$created->setDateTime($now, Sabre_VObject_Element_DateTime::UTC);
$vevent->add($created);
$uid = self::createUID();
$vevent->add('UID', $uid);
return self::updateVCalendarFromRequest($request, $vcalendar);
}
/**
* @expectedException Sabre_DAV_Exception
*/
public function testInTimeRangeInvalidComponent()
{
$valarm = Sabre_VObject_Component::create('VALARM');
$valarm->TRIGGER = '-P1D';
$valarm->TRIGGER['RELATED'] = 'END';
$vjournal = Sabre_VObject_Component::create('VJOURNAL');
$vjournal->add($valarm);
$valarm->isInTimeRange(new DateTime('2012-02-25 01:00:00'), new DateTime('2012-03-05 01:00:00'));
}
require_once '../../../lib/base.php';
$aid = $_POST['id'];
$l10n = new OC_L10N('contacts');
// Check if we are a user
OC_JSON::checkLoggedIn();
OC_JSON::checkAppEnabled('contacts');
$addressbook = OC_Contacts_Addressbook::find($aid);
if ($addressbook === false || $addressbook['userid'] != OC_USER::getUser()) {
OC_JSON::error(array('data' => array('message' => $l10n->t('This is not your addressbook.'))));
// Same here (as with the contact error). Could this error be improved?
exit;
}
$fn = $_POST['fn'];
$values = $_POST['value'];
$parameters = $_POST['parameters'];
$vcard = new Sabre_VObject_Component('VCARD');
$vcard->add(new Sabre_VObject_Property('FN', $fn));
$vcard->add(new Sabre_VObject_Property('UID', OC_Contacts_VCard::createUID()));
foreach (array('ADR', 'TEL', 'EMAIL', 'ORG') as $propname) {
$value = $values[$propname];
if (isset($parameters[$propname])) {
$prop_parameters = $parameters[$propname];
} else {
$prop_parameters = array();
}
OC_Contacts_VCard::addVCardProperty($vcard, $propname, $value, $prop_parameters);
}
$id = OC_Contacts_VCard::add($aid, $vcard->serialize());
$details = OC_Contacts_VCard::structureContact($vcard);
$name = $details['FN'][0]['value'];
$tmpl = new OC_Template('contacts', 'part.details');
public function __isset($name)
{
return $this->vobject->__isset($name);
}
function testGetDateTimeBadTimeZone()
{
$default = date_default_timezone_get();
date_default_timezone_set('Canada/Eastern');
$elem = new Sabre_VObject_Element_DateTime('DTSTART', '19850704T013000');
$elem['TZID'] = 'Moon';
$event = new Sabre_VObject_Component('VEVENT');
$event->add($elem);
$timezone = new Sabre_VObject_Component('VTIMEZONE');
$timezone->TZID = 'Moon';
$timezone->{'X-LIC-LOCATION'} = 'Moon';
$calendar = new Sabre_VObject_Component('VCALENDAR');
$calendar->add($event);
$calendar->add($timezone);
$dt = $elem->getDateTime();
$this->assertInstanceOf('DateTime', $dt);
$this->assertEquals('1985-07-04 01:30:00', $dt->format('Y-m-d H:i:s'));
$this->assertEquals('Canada/Eastern', $dt->getTimeZone()->getName());
$this->assertEquals(Sabre_VObject_Element_DateTime::LOCALTZ, $elem->getDateType());
date_default_timezone_set($default);
}
function testSerializeChildren()
{
$comp = new Sabre_VObject_Component('VCALENDAR');
$comp->children = array(new Sabre_VObject_Component('VEVENT'), new Sabre_VObject_Component('VTODO'));
$this->assertEquals("BEGIN:VCALENDAR\r\nBEGIN:VEVENT\r\nEND:VEVENT\r\nBEGIN:VTODO\r\nEND:VTODO\r\nEND:VCALENDAR\r\n", $comp->serialize());
}
/**
* Returns free-busy information for a specific address. The returned
* data is an array containing the following properties:
*
* calendar-data : A VFREEBUSY VObject
* request-status : an iTip status code.
* href: The principal's email address, as requested
*
* The following request status codes may be returned:
* * 2.0;description
* * 3.7;description
*
* @param string $email address
* @param DateTime $start
* @param DateTime $end
* @param Sabre_VObject_Component $request
* @return Sabre_VObject_Component
*/
protected function getFreeBusyForEmailTine20($email, DateTime $start, DateTime $end, Sabre_VObject_Component $request)
{
if (substr($email, 0, 7) === 'mailto:') {
$email = substr($email, 7);
}
if (Tinebase_Core::isLogLevel(Zend_Log::DEBUG)) {
Tinebase_Core::getLogger()->debug(__METHOD__ . '::' . __LINE__ . ' serach freebusy of ' . $email);
}
// resolve email address to contact
$filter = new Addressbook_Model_ContactFilter(array(array('field' => 'containerType', 'operator' => 'equals', 'value' => 'all'), array('field' => 'type', 'operator' => 'equals', 'value' => Addressbook_Model_Contact::CONTACTTYPE_USER), array('field' => 'email', 'operator' => 'equals', 'value' => $email)));
$contact = Addressbook_Controller_Contact::getInstance()->search($filter)->getFirstRecord();
if ($contact === null) {
return array('request-status' => '3.7;Could not find principal', 'href' => 'mailto:' . $email);
}
$period = array(array('from' => new Tinebase_DateTime($start->format(Tinebase_Record_Abstract::ISO8601LONG), 'UTC'), 'until' => new Tinebase_DateTime($end->format(Tinebase_Record_Abstract::ISO8601LONG), 'UTC')));
$attendees = new Tinebase_Record_RecordSet('Calendar_Model_Attender', array(new Calendar_Model_Attender(array('user_id' => $contact->getId(), 'user_type' => Calendar_Model_Attender::USERTYPE_USER))));
$freeBusyInfo = Calendar_Controller_Event::getInstance()->getFreeBusyInfo($period, $attendees);
$vcalendar = new Sabre_VObject_Component('VCALENDAR');
$vcalendar->VERSION = '2.0';
$vcalendar->METHOD = 'REPLY';
$vcalendar->CALSCALE = 'GREGORIAN';
$vcalendar->PRODID = '-//SabreDAV//SabreDAV ' . Sabre_DAV_Version::VERSION . '//EN';
$vfreebusy = new Sabre_VObject_Component('VFREEBUSY');
$vcalendar->add($vfreebusy);
$vfreebusy->DTSTAMP = $request->VFREEBUSY->dtstart->value;
$vfreebusy->DTSTART = $request->VFREEBUSY->dtstart->value;
$vfreebusy->DTEND = $request->VFREEBUSY->dtend->value;
#$attendee = new Sabre_VObject_Property('ATTENDEE', 'mailto:' . $contact->email);
#$attendee->add('CN', $contact->n_fileas);
#$vfreebusy->add($attendee);
foreach ($freeBusyInfo as $busyInfo) {
$busy = $busyInfo->dtstart->format('Ymd\\THis\\Z') . '/' . $busyInfo->dtend->format('Ymd\\THis\\Z');
$freebusy = new Sabre_VObject_Property('FREEBUSY', $busy);
$freebusy->add('FBTYPE', 'BUSY');
$vfreebusy->add($freebusy);
}
$vcalendar->VFREEBUSY->ATTENDEE = 'mailto:' . $email;
$vcalendar->VFREEBUSY->UID = (string) $request->VFREEBUSY->UID;
return array('calendar-data' => $vcalendar, 'request-status' => '2.0;Success', 'href' => 'mailto:' . $email);
}
protected function _getCalendarVTimezone()
{
$timezone = Tinebase_Core::getPreference()->getValueForUser(Tinebase_Preference::TIMEZONE, Tinebase_Core::getUser()->getId());
// create vcalendar object with timezone information
$vcalendar = new Sabre_VObject_Component('CALENDAR');
$vcalendar->add(new Sabre_VObject_Component_VTimezone($timezone));
// Taking out \r to not screw up the xml output
return str_replace("\r", "", $vcalendar->serialize());
}
/**
* Converts a timecard join project join module row to a vobject string.
*
* @param array $entry
*
* @return string
*/
private function _getDataForEntry(array $entry)
{
$v = new Sabre_VObject_Component('vevent');
if (1 == $entry['project_id']) {
$v->add('summary', Phprojekt::getInstance()->translate('Unassigned'));
} else {
$v->add('summary', $entry['title'] . ' [' . $entry['project_id'] . ']');
}
$notes = trim($entry['notes']);
if (!is_null($entry['module_id'])) {
if ($notes) {
$notes .= "\n";
}
$notes .= Phprojekt::getInstance()->translate('There is an attachment of type ') . Phprojekt::getInstance()->translate($entry['label']);
}
if ($notes) {
$v->add('description', $notes);
}
$start = new DateTime('@' . Phprojekt_Converter_Time::userToUtc($entry['start_datetime']));
$end = substr($entry['start_datetime'], 0, 11) . $entry['end_time'];
$end = new DateTime('@' . Phprojekt_Converter_Time::userToUtc($end));
$v->add('dtstart', $start->format('Ymd\\THis\\Z'));
$v->add('dtend', $end->format('Ymd\\THis\\Z'));
$v->add('uid', 'phprojekt-timecard-entry' . $entry['uid']);
$calendarData = new Sabre_VObject_Component('vcalendar');
$calendarData->add('version', '2.0');
$calendarData->add('prodid', 'Phprojekt ' . Phprojekt::getVersion());
$calendarData->add($v);
return $calendarData->serialize();
}
function testSerializeOrder()
{
$comp = new Sabre_VObject_Component('VCALENDAR');
$comp->add(new Sabre_VObject_Component('VEVENT'));
$comp->add('PROP1', 'BLABLA');
$comp->add('VERSION', '2.0');
$comp->add(new Sabre_VObject_Component('VTIMEZONE'));
$str = $comp->serialize();
$this->assertEquals("BEGIN:VCALENDAR\r\nVERSION:2.0\r\nPROP1:BLABLA\r\nBEGIN:VTIMEZONE\r\nEND:VTIMEZONE\r\nBEGIN:VEVENT\r\nEND:VEVENT\r\nEND:VCALENDAR\r\n", $str);
}
/**
* parse VEVENT part of VCALENDAR
*
* @param Sabre_VObject_Component $_vevent the VEVENT to parse
* @param Calendar_Model_Event $_event the Tine 2.0 event to update
*/
protected function _convertVevent(Sabre_VObject_Component $_vevent, Calendar_Model_Event $_event)
{
$event = $_event;
$newAttendees = array();
// unset supported fields
foreach ($this->_supportedFields as $field) {
if ($field == 'alarms') {
$event->{$field} = new Tinebase_Record_RecordSet('Tinebase_Model_Alarm');
} else {
$event->{$field} = null;
}
}
foreach ($_vevent->children() as $property) {
switch ($property->name) {
case 'CREATED':
case 'DTSTAMP':
// do nothing
break;
case 'LAST-MODIFIED':
$event->last_modified_time = new Tinebase_DateTime($property->value);
break;
case 'ATTENDEE':
$newAttendees[] = $this->_getAttendee($property);
break;
case 'CLASS':
if (in_array($property->value, array(Calendar_Model_Event::CLASS_PRIVATE, Calendar_Model_Event::CLASS_PUBLIC))) {
$event->class = $property->value;
} else {
$event->class = Calendar_Model_Event::CLASS_PUBLIC;
}
break;
case 'DTEND':
if (isset($property['VALUE']) && strtoupper($property['VALUE']) == 'DATE') {
// all day event
$event->is_all_day_event = true;
$dtend = $this->_convertToTinebaseDateTime($property, TRUE);
// whole day events ends at 23:59:59 in Tine 2.0 but 00:00 the next day in vcalendar
$dtend->subSecond(1);
} else {
$event->is_all_day_event = false;
$dtend = $this->_convertToTinebaseDateTime($property);
}
$event->dtend = $dtend;
break;
case 'DTSTART':
if (isset($property['VALUE']) && strtoupper($property['VALUE']) == 'DATE') {
// all day event
$event->is_all_day_event = true;
$dtstart = $this->_convertToTinebaseDateTime($property, TRUE);
} else {
$event->is_all_day_event = false;
$dtstart = $this->_convertToTinebaseDateTime($property);
}
$event->originator_tz = $dtstart->getTimezone()->getName();
$event->dtstart = $dtstart;
break;
case 'SEQUENCE':
$event->seq = $property->value;
break;
case 'DESCRIPTION':
case 'LOCATION':
case 'UID':
case 'SUMMARY':
$key = strtolower($property->name);
$event->{$key} = $property->value;
break;
case 'ORGANIZER':
if (preg_match('/mailto:(?P<email>.*)/i', $property->value, $matches)) {
// it's not possible to change the organizer by spec
if (empty($event->organizer)) {
$name = isset($property['CN']) ? $property['CN']->value : $matches['email'];
$contact = Calendar_Model_Attender::resolveEmailToContact(array('email' => $matches['email'], 'lastName' => $name));
$event->organizer = $contact->getId();
}
// Lightning attaches organizer ATTENDEE properties to ORGANIZER property and does not add an ATTENDEE for the organizer
if (isset($property['PARTSTAT'])) {
$newAttendees[] = $this->_getAttendee($property);
}
}
break;
case 'RECURRENCE-ID':
// original start of the event
$event->recurid = $this->_convertToTinebaseDateTime($property);
// convert recurrence id to utc
$event->recurid->setTimezone('UTC');
break;
case 'RRULE':
$event->rrule = $property->value;
// convert date format
$event->rrule = preg_replace_callback('/UNTIL=([\\dTZ]+)(?=;?)/', function ($matches) {
if (strlen($matches[1]) < 10) {
$dtUntil = date_create($matches[1], new DateTimeZone((string) Tinebase_Core::get(Tinebase_Core::USERTIMEZONE)));
$dtUntil->setTimezone(new DateTimeZone('UTC'));
} else {
$dtUntil = date_create($matches[1]);
}
return 'UNTIL=' . $dtUntil->format(Tinebase_Record_Abstract::ISO8601LONG);
}, $event->rrule);
// remove additional days from BYMONTHDAY property
$event->rrule = preg_replace('/(BYMONTHDAY=)([\\d]+)([,\\d]+)/', '$1$2', $event->rrule);
// process exceptions
if (isset($_vevent->EXDATE)) {
$exdates = new Tinebase_Record_RecordSet('Calendar_Model_Event');
foreach ($_vevent->EXDATE as $exdate) {
foreach ($exdate->getDateTimes() as $exception) {
if (isset($exdate['VALUE']) && strtoupper($exdate['VALUE']) == 'DATE') {
$recurid = new Tinebase_DateTime($exception->format(Tinebase_Record_Abstract::ISO8601LONG), (string) Tinebase_Core::get(Tinebase_Core::USERTIMEZONE));
} else {
$recurid = new Tinebase_DateTime($exception->format(Tinebase_Record_Abstract::ISO8601LONG), $exception->getTimezone());
}
$recurid->setTimezone(new DateTimeZone('UTC'));
$eventException = new Calendar_Model_Event(array('recurid' => $recurid, 'is_deleted' => true));
$exdates->addRecord($eventException);
}
}
$event->exdate = $exdates;
}
break;
case 'TRANSP':
if (in_array($property->value, array(Calendar_Model_Event::TRANSP_OPAQUE, Calendar_Model_Event::TRANSP_TRANSP))) {
$event->transp = $property->value;
} else {
$event->transp = Calendar_Model_Event::TRANSP_TRANSP;
}
break;
case 'UID':
// it's not possible to change the uid by spec
if (!empty($event->uid)) {
continue;
}
$event->uid = $property->value;
break;
case 'VALARM':
foreach ($property as $valarm) {
switch (strtoupper($valarm->TRIGGER['VALUE']->value)) {
# TRIGGER;VALUE=DATE-TIME:20111031T130000Z
case 'DATE-TIME':
//@TODO fixme
$alarmTime = new Tinebase_DateTime($valarm->TRIGGER->value);
$alarmTime->setTimezone('UTC');
$alarm = new Tinebase_Model_Alarm(array('alarm_time' => $alarmTime, 'minutes_before' => 'custom', 'model' => 'Calendar_Model_Event'));
$event->alarms->addRecord($alarm);
break;
# TRIGGER;VALUE=DURATION:-PT1H15M
# TRIGGER;VALUE=DURATION:-PT1H15M
case 'DURATION':
default:
$alarmTime = $this->_convertToTinebaseDateTime($_vevent->DTSTART);
$alarmTime->setTimezone('UTC');
preg_match('/(?P<invert>[+-]?)(?P<spec>P.*)/', $valarm->TRIGGER->value, $matches);
$duration = new DateInterval($matches['spec']);
$duration->invert = !!($matches['invert'] === '-');
$alarm = new Tinebase_Model_Alarm(array('alarm_time' => $alarmTime->add($duration), 'minutes_before' => $duration->format('%d') * 60 * 24 + $duration->format('%h') * 60 + $duration->format('%i'), 'model' => 'Calendar_Model_Event'));
$event->alarms->addRecord($alarm);
break;
}
}
break;
case 'CATEGORIES':
// @todo handle categories
break;
case 'X-MOZ-LASTACK':
$lastAck = $this->_convertToTinebaseDateTime($property);
break;
case 'X-MOZ-SNOOZE-TIME':
$snoozeTime = $this->_convertToTinebaseDateTime($property);
break;
default:
break;
}
}
// merge old and new attendees
Calendar_Model_Attender::emailsToAttendee($event, $newAttendees);
if (($ownAttendee = Calendar_Model_Attender::getOwnAttender($event->attendee)) !== null) {
if (isset($lastAck)) {
$ownAttendee->alarm_ack_time = $lastAck;
}
if (isset($snoozeTime)) {
$ownAttendee->alarm_snooze_time = $snoozeTime;
}
}
if (empty($event->seq)) {
$event->seq = 0;
}
if (empty($event->class)) {
$event->class = Calendar_Model_Event::CLASS_PUBLIC;
}
// convert all datetime fields to UTC
$event->setTimezone('UTC');
}
/**
* converts Addressbook_Model_Contact to vcard
*
* @param Addressbook_Model_Contact $_record
* @return string
*/
public function fromTine20Model(Tinebase_Record_Abstract $_record)
{
if (Tinebase_Core::isLogLevel(Zend_Log::DEBUG)) {
Tinebase_Core::getLogger()->debug(__METHOD__ . '::' . __LINE__ . ' contact ' . print_r($_record->toArray(), true));
}
$card = new Sabre_VObject_Component('VCARD');
// required vcard fields
$card->add(new Sabre_VObject_Property('VERSION', '3.0'));
$card->add(new Sabre_VObject_Property('FN', $_record->n_fileas));
$card->add(new Sabre_VObject_Element_MultiValue('N', array($_record->n_family, $_record->n_given)));
$card->add(new Sabre_VObject_Property('PRODID', '-//tine20.org//Tine 2.0//EN'));
$card->add(new Sabre_VObject_Property('UID', $_record->getId()));
// optional fields
$card->add(new Sabre_VObject_Element_MultiValue('ORG', array($_record->org_name, $_record->org_unit)));
$card->add(new Sabre_VObject_Property('TITLE', $_record->title));
$tel = new Sabre_VObject_Property('TEL', $_record->tel_work);
$tel->add('TYPE', 'WORK');
$card->add($tel);
$tel = new Sabre_VObject_Property('TEL', $_record->tel_home);
$tel->add('TYPE', 'HOME');
$card->add($tel);
$tel = new Sabre_VObject_Property('TEL', $_record->tel_cell);
$tel->add('TYPE', 'CELL');
$card->add($tel);
$tel = new Sabre_VObject_Property('TEL', $_record->tel_pager);
$tel->add('TYPE', 'PAGER');
$card->add($tel);
$tel = new Sabre_VObject_Property('TEL', $_record->tel_fax);
$tel->add('TYPE', 'FAX');
$card->add($tel);
#$tel = new Sabre_VObject_Property('TEL', $_record->tel_fax_home);
#$tel->add('TYPE', 'FAX');
#$tel->add('TYPE', 'HOME');
#$card->add($tel);
$adr = new Sabre_VObject_Element_MultiValue('ADR', array(null, $_record->adr_one_street2, $_record->adr_one_street, $_record->adr_one_locality, $_record->adr_one_region, $_record->adr_one_postalcode, $_record->adr_one_countryname));
$adr->add('TYPE', 'WORK');
$card->add($adr);
$adr = new Sabre_VObject_Element_MultiValue('ADR', array(null, $_record->adr_two_street2, $_record->adr_two_street, $_record->adr_two_locality, $_record->adr_two_region, $_record->adr_two_postalcode, $_record->adr_two_countryname));
$adr->add('TYPE', 'HOME');
$card->add($adr);
$card->add(new Sabre_VObject_Property('EMAIL;TYPE=work', $_record->email));
$card->add(new Sabre_VObject_Property('EMAIL;TYPE=home', $_record->email_home));
$card->add(new Sabre_VObject_Property('URL;TYPE=work', $_record->url));
$card->add(new Sabre_VObject_Property('URL;TYPE=home', $_record->url_home));
$card->add(new Sabre_VObject_Property('NOTE', $_record->note));
if (!empty($_record->jpegphoto)) {
try {
$image = Tinebase_Controller::getInstance()->getImage('Addressbook', $_record->getId());
$jpegData = $image->getBlob('image/jpeg');
$photo = new Sabre_VObject_Property('PHOTO', $jpegData);
$photo->add('ENCODING', 'b');
$photo->add('TYPE', 'JPEG');
$card->add($photo);
} catch (Exception $e) {
Tinebase_Core::getLogger()->info(__METHOD__ . '::' . __LINE__ . " Image for contact {$_record->getId()} not found or invalid");
}
}
if (isset($_record->tags) && count($_record->tags) > 0) {
$card->add(new Sabre_VObject_Property('CATEGORIES', Sabre_VObject_Element_List((array) $_record->tags->name)));
}
if (Tinebase_Core::isLogLevel(Zend_Log::DEBUG)) {
Tinebase_Core::getLogger()->debug(__METHOD__ . '::' . __LINE__ . ' card ' . $card->serialize());
}
return $card;
}
/**
* @depends testValues
*/
function testOverridenEventNoValuesExpected()
{
$vcal = Sabre_VObject_Component::create('VCALENDAR');
$ev1 = Sabre_VObject_Component::create('VEVENT');
$ev1->UID = 'overridden';
$ev1->RRULE = 'FREQ=WEEKLY;COUNT=3';
$ev1->DTSTART = '20120124T120000Z';
$ev1->SUMMARY = 'baseEvent';
$vcal->add($ev1);
// ev2 overrides an event, and puts it 6 days earlier instead.
$ev2 = Sabre_VObject_Component::create('VEVENT');
$ev2->UID = 'overridden';
$ev2->{'RECURRENCE-ID'} = '20120131T120000Z';
$ev2->DTSTART = '20120125T120000Z';
$ev2->SUMMARY = 'Override!';
$vcal->add($ev2);
$it = new Sabre_VObject_RecurrenceIterator($vcal, 'overridden');
$dates = array();
$summaries = array();
// The reported problem was specifically related to the VCALENDAR
// expansion. In this parcitular case, we had to forward to the 28th of
// january.
$it->fastForward(new DateTime('2012-01-28 23:00:00'));
// We stop the loop when it hits the 6th of februari. Normally this
// iterator would hit 24, 25 (overriden from 31) and 7 feb but because
// we 'filter' from the 28th till the 6th, we should get 0 results.
while ($it->valid() && $it->getDTSTart() < new DateTime('2012-02-06 23:00:00')) {
$dates[] = $it->getDTStart();
$summaries[] = (string) $it->getEventObject()->SUMMARY;
$it->next();
}
$this->assertEquals(array(), $dates);
$this->assertEquals(array(), $summaries);
}
